Information Exposure Affecting kernel-rt-debug-kvm package, versions <0:3.10.0-514.rt56.420.el7


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.14% (52nd percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTDEBUGKVM-2072820
  • published 26 Jul 2021
  • disclosed 16 Oct 2015

How to fix?

Upgrade Centos:7 kernel-rt-debug-kvm to version 0:3.10.0-514.rt56.420.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

fs/btrfs/inode.c in the Linux kernel before 4.3.3 mishandles compressed inline extents, which allows local users to obtain sensitive pre-truncation information from a file via a clone action.

CVSS Scores

version 3.1
Expand this section

Red Hat

3.5 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None